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Finding the Fourth Proportional to 591.33, 887.21 and 266.93

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Solution

The fourth proportional to 591.33, 887.21 and 266.93 is: 400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.33 : 887.21 = 266.93 : x
  2. Step 2: Convert to fraction form
    591.33/887.21 = 266.93/x
  3. Step 3: Cross multiply
    591.33x = 887.21 × 266.93
  4. Step 4: Simplify right side
    591.33x = 236,817.19
  5. Step 5: Solve for x
    x = 236,817.19/591.33
  6. Step 6: Final answer
    x = 400.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.